chore(release): design system .italia 🇮🇹 v1-beta.3

[Fupete]

Landing the beta phase - v1.beta.1: stable contents and functions for the majority of the design system pages.

To do:

• [x] Update Bootstrap Italia
• [x] UI Kit Italia v3.5.0
• [x] #1288
• [x] #1294
• [x] #1306 (modelli)
• [x] #1313
• [x] #1320
• [x] #1324
• [x] #1327
• [x] #1329
• [x] Integrare React e Angular nel fondamento Versionamento e sistemare testo in Come contribuire > Per sviluppatori
• [x] Verify changelog details
• [x] Update release date in versionamento.yaml just before merge

After merge:

• [ ] predeploy
• [ ] deploy

[github-actions[bot]]

⚡ Lighthouse report for the home page 🏠

Category	Score
🟠 Performance	51
🟢 Accessibility	100
🟢 Best practices	100
🟢 SEO	100

See the full report...

Other pages

• /progetto/ 🟠 79 🟢 100 🟢 100 🟢 100
• /norme-e-riferimenti/linee-guida-di-design/ 🟠 72 🟢 100 🟢 100 🟢 100
• /design-system/componenti/ 🟠 79 🟢 100 🟢 100 🟢 100